ABOUT THIS PRODUCT

The U-Groove Spark Plug features a patented U-groove ground electrode design that enhances ignitability, allowing for leaner fuel mixtures and improved engine efficiency. Crafted with a nickel center electrode tip and a flat seat type, it ensures optimal performance and durability. Precision machine-rolled threads minimize the risk of seizing or cross-threading, making it ideal for delicate aluminum heads. This spark plug is built to last twice as long as conventional plugs, offering exceptional value and reliability. With a wide range of part numbers, it is compatible with thousands of applications, including classic and collector cars. Each plug is 100 percent pre-fired to guarantee dependable operation, making it a trusted choice for maintaining OE performance and long-lasting engine health.

Product Features:

• Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
• Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
• Wide range of part numbers for thousands of applications, including classic and collector cars
• Lasts twice as long as most conventional plugs
• 100 percent pre-fired to assure reliable operation
• U-Groove Conventional